Fab Shop Hydraulics Schematic Generator draws clean, standards-compliant hydraulic circuit diagrams right on your phone or tablet — a full symbol library covering pumps, motors, actuators, and directional control valves, in either ISO 1219 or ANSI/JIC convention, switchable on the same project. Export a print-ready PDF with a proper title block. $0.99/year with a free 3-day trial.